The duty of man is the same in respect to his own nature as in respect to the nature of all other things.

煤炭的未来不仅仅是开采，而是我们如何负责任地将其融入不断变化的能源格局。

Understanding the computational complexity of learning problems is essential for developing efficient algorithms.

"Manchmal ist das Leben wie ein Roman, den man nicht versteht, bis man die letzte Seite gelesen hat."

Never stop believing in yourself.